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-module(rebar_prv_plugins).
-behaviour(provider).
-export([init/1,
do/1,
format_error/1]).
-include("rebar.hrl").
-include_lib("providers/include/providers.hrl").
-define(PROVIDER, list).
-define(NAMESPACE, plugins).
-define(DEPS, []).
-spec init(rebar_state:t()) -> {ok, rebar_state:t()}.
init(State) ->
State1 = rebar_state:add_provider(
State,
providers:create([
{name, ?PROVIDER},
{module, ?MODULE},
{namespace, ?NAMESPACE},
{bare, true},
{deps, ?DEPS},
{example, "rebar3 plugins list"},
{short_desc, "List local and global plugins for this project"},
{desc, "List local and global plugins for this project"},
{opts, []}])),
{ok, State1}.
-spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
do(State) ->
GlobalConfigFile = rebar_dir:global_config(),
GlobalConfig = rebar_state:new(rebar_config:consult_file(GlobalConfigFile)),
GlobalPlugins = rebar_state:get(GlobalConfig, plugins, []),
GlobalPluginsDir = filename:join(rebar_dir:global_cache_dir(State), "plugins"),
display_plugins("Global plugins", GlobalPluginsDir, GlobalPlugins),
Plugins = rebar_state:get(State, plugins, []),
PluginsDir =rebar_dir:plugins_dir(State),
display_plugins("Local plugins", PluginsDir, Plugins),
{ok, State}.
-spec format_error(any()) -> iolist().
format_error(Reason) ->
io_lib:format("~p", [Reason]).
display_plugins(_Header, _Dir, []) ->
ok;
display_plugins(Header, Dir, Plugins) ->
?CONSOLE("--- ~s ---", [Header]),
display_plugins(Dir, Plugins),
?CONSOLE("", []).
display_plugins(Dir, Plugins) ->
lists:foreach(fun(Plugin) ->
Name = if is_atom(Plugin) -> Plugin;
is_tuple(Plugin) -> element(1, Plugin)
end,
case rebar_app_info:discover(filename:join(Dir, Name)) of
{ok, _App} ->
?CONSOLE("~s", [Name]);
not_found ->
?DEBUG("Unable to find plugin ~s", [Name])
end
end, Plugins).
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